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1// SPDX-License-Identifier: GPL-2.0-only2//3// Copyright(c) 2023 Intel Corporation4//5// Authors: Cezary Rojewski <cezary.rojewski@intel.com>6// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>7//8 9#include <linux/device.h>10#include <linux/gpio/consumer.h>11#include <linux/input.h>12#include <linux/module.h>13#include <linux/platform_device.h>14#include <linux/processor.h>15#include <linux/slab.h>16#include <sound/jack.h>17#include <sound/pcm.h>18#include <sound/pcm_params.h>19#include <sound/soc.h>20#include <sound/soc-acpi.h>21#include <asm/cpu_device_id.h>22#include "../utils.h"23 24#define ES8336_CODEC_DAI "ES8316 HiFi"25 26struct avs_card_drvdata {27 struct snd_soc_jack jack;28 struct gpio_desc *gpiod;29};30 31static const struct acpi_gpio_params enable_gpio = { 0, 0, true };32 33static const struct acpi_gpio_mapping speaker_gpios[] = {34 { "speaker-enable-gpios", &enable_gpio, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },35 { }36};37 38static int avs_es8336_speaker_power_event(struct snd_soc_dapm_widget *w,39 struct snd_kcontrol *kcontrol, int event)40{41 struct snd_soc_card *card = w->dapm->card;42 struct avs_card_drvdata *data;43 bool speaker_en;44 45 data = snd_soc_card_get_drvdata(card);46 /* As enable_gpio has active_low=true, logic is inverted. */47 speaker_en = !SND_SOC_DAPM_EVENT_ON(event);48 49 gpiod_set_value_cansleep(data->gpiod, speaker_en);50 return 0;51}52 53static const struct snd_soc_dapm_widget card_widgets[] = {54 SND_SOC_DAPM_SPK("Speaker", NULL),55 SND_SOC_DAPM_HP("Headphone", NULL),56 SND_SOC_DAPM_MIC("Headset Mic", NULL),57 SND_SOC_DAPM_MIC("Internal Mic", NULL),58 59 SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,60 avs_es8336_speaker_power_event,61 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),62};63 64static const struct snd_soc_dapm_route card_routes[] = {65 {"Headphone", NULL, "HPOL"},66 {"Headphone", NULL, "HPOR"},67 68 /*69 * There is no separate speaker output instead the speakers are muxed to70 * the HP outputs. The mux is controlled by the "Speaker Power" widget.71 */72 {"Speaker", NULL, "HPOL"},73 {"Speaker", NULL, "HPOR"},74 {"Speaker", NULL, "Speaker Power"},75 76 /* Mic route map */77 {"MIC1", NULL, "Internal Mic"},78 {"MIC2", NULL, "Headset Mic"},79};80 81static const struct snd_kcontrol_new card_controls[] = {82 SOC_DAPM_PIN_SWITCH("Speaker"),83 SOC_DAPM_PIN_SWITCH("Headphone"),84 SOC_DAPM_PIN_SWITCH("Headset Mic"),85 SOC_DAPM_PIN_SWITCH("Internal Mic"),86};87 88static const struct snd_soc_jack_pin card_headset_pins[] = {89 {90 .pin = "Headphone",91 .mask = SND_JACK_HEADPHONE,92 },93 {94 .pin = "Headset Mic",95 .mask = SND_JACK_MICROPHONE,96 },97};98 99static int avs_es8336_codec_init(struct snd_soc_pcm_runtime *runtime)100{101 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);102 struct snd_soc_component *component = codec_dai->component;103 struct snd_soc_card *card = runtime->card;104 struct snd_soc_jack_pin *pins;105 struct avs_card_drvdata *data;106 struct gpio_desc *gpiod;107 int num_pins, ret;108 109 data = snd_soc_card_get_drvdata(card);110 num_pins = ARRAY_SIZE(card_headset_pins);111 112 pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);113 if (!pins)114 return -ENOMEM;115 116 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0,117 &data->jack, pins, num_pins);118 if (ret)119 return ret;120 121 ret = devm_acpi_dev_add_driver_gpios(codec_dai->dev, speaker_gpios);122 if (ret)123 dev_warn(codec_dai->dev, "Unable to add GPIO mapping table\n");124 125 gpiod = gpiod_get_optional(codec_dai->dev, "speaker-enable", GPIOD_OUT_LOW);126 if (IS_ERR(gpiod))127 return dev_err_probe(codec_dai->dev, PTR_ERR(gpiod), "Get gpiod failed: %ld\n",128 PTR_ERR(gpiod));129 130 data->gpiod = gpiod;131 snd_jack_set_key(data->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);132 snd_soc_component_set_jack(component, &data->jack, NULL);133 134 card->dapm.idle_bias_off = true;135 136 return 0;137}138 139static void avs_es8336_codec_exit(struct snd_soc_pcm_runtime *runtime)140{141 struct avs_card_drvdata *data = snd_soc_card_get_drvdata(runtime->card);142 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);143 144 snd_soc_component_set_jack(codec_dai->component, NULL, NULL);145 gpiod_put(data->gpiod);146}147 148static int avs_es8336_hw_params(struct snd_pcm_substream *substream,149 struct snd_pcm_hw_params *params)150{151 struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);152 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);153 int clk_freq;154 int ret;155 156 switch (boot_cpu_data.x86_vfm) {157 case INTEL_KABYLAKE_L:158 case INTEL_KABYLAKE:159 clk_freq = 24000000;160 break;161 default:162 clk_freq = 19200000;163 break;164 }165 166 ret = snd_soc_dai_set_sysclk(codec_dai, 1, clk_freq, SND_SOC_CLOCK_OUT);167 if (ret < 0)168 dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret);169 170 return ret;171}172 173static const struct snd_soc_ops avs_es8336_ops = {174 .hw_params = avs_es8336_hw_params,175};176 177static int avs_es8336_be_fixup(struct snd_soc_pcm_runtime *runtime,178 struct snd_pcm_hw_params *params)179{180 struct snd_interval *rate, *channels;181 struct snd_mask *fmt;182 183 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);184 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);185 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);186 187 /* The ADSP will convert the FE rate to 48k, stereo */188 rate->min = rate->max = 48000;189 channels->min = channels->max = 2;190 191 /* set SSPN to 24 bit */192 snd_mask_none(fmt);193 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_3LE);194 195 return 0;196}197static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,198 int tdm_slot, struct snd_soc_dai_link **dai_link)199{200 struct snd_soc_dai_link_component *platform;201 struct snd_soc_dai_link *dl;202 203 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);204 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);205 if (!dl || !platform)206 return -ENOMEM;207 208 platform->name = platform_name;209 210 dl->name = devm_kasprintf(dev, GFP_KERNEL,211 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));212 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);213 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);214 if (!dl->name || !dl->cpus || !dl->codecs)215 return -ENOMEM;216 217 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,218 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));219 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-ESSX8336:00");220 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, ES8336_CODEC_DAI);221 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)222 return -ENOMEM;223 224 dl->num_cpus = 1;225 dl->num_codecs = 1;226 dl->platforms = platform;227 dl->num_platforms = 1;228 dl->id = 0;229 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;230 dl->init = avs_es8336_codec_init;231 dl->exit = avs_es8336_codec_exit;232 dl->be_hw_params_fixup = avs_es8336_be_fixup;233 dl->ops = &avs_es8336_ops;234 dl->nonatomic = 1;235 dl->no_pcm = 1;236 dl->dpcm_capture = 1;237 dl->dpcm_playback = 1;238 239 *dai_link = dl;240 241 return 0;242}243 244static int avs_card_suspend_pre(struct snd_soc_card *card)245{246 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, ES8336_CODEC_DAI);247 248 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);249}250 251static int avs_card_resume_post(struct snd_soc_card *card)252{253 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, ES8336_CODEC_DAI);254 struct avs_card_drvdata *data = snd_soc_card_get_drvdata(card);255 256 return snd_soc_component_set_jack(codec_dai->component, &data->jack, NULL);257}258 259static int avs_es8336_probe(struct platform_device *pdev)260{261 struct snd_soc_dai_link *dai_link;262 struct snd_soc_acpi_mach *mach;263 struct avs_card_drvdata *data;264 struct snd_soc_card *card;265 struct device *dev = &pdev->dev;266 const char *pname;267 int ssp_port, tdm_slot, ret;268 269 mach = dev_get_platdata(dev);270 pname = mach->mach_params.platform;271 272 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);273 if (ret)274 return ret;275 276 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);277 if (ret) {278 dev_err(dev, "Failed to create dai link: %d", ret);279 return ret;280 }281 282 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);283 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);284 if (!data || !card)285 return -ENOMEM;286 287 card->name = "avs_es8336";288 card->dev = dev;289 card->owner = THIS_MODULE;290 card->suspend_pre = avs_card_suspend_pre;291 card->resume_post = avs_card_resume_post;292 card->dai_link = dai_link;293 card->num_links = 1;294 card->controls = card_controls;295 card->num_controls = ARRAY_SIZE(card_controls);296 card->dapm_widgets = card_widgets;297 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);298 card->dapm_routes = card_routes;299 card->num_dapm_routes = ARRAY_SIZE(card_routes);300 card->fully_routed = true;301 snd_soc_card_set_drvdata(card, data);302 303 ret = snd_soc_fixup_dai_links_platform_name(card, pname);304 if (ret)305 return ret;306 307 return devm_snd_soc_register_card(dev, card);308}309 310static const struct platform_device_id avs_es8336_driver_ids[] = {311 {312 .name = "avs_es8336",313 },314 {},315};316MODULE_DEVICE_TABLE(platform, avs_es8336_driver_ids);317 318static struct platform_driver avs_es8336_driver = {319 .probe = avs_es8336_probe,320 .driver = {321 .name = "avs_es8336",322 .pm = &snd_soc_pm_ops,323 },324 .id_table = avs_es8336_driver_ids,325};326 327module_platform_driver(avs_es8336_driver);328 329MODULE_DESCRIPTION("Intel es8336 machine driver");330MODULE_LICENSE("GPL");331